Home / 86,276.59-119,043.39-54,427.03

Finding the Fourth Proportional to 86,276.59, 119,043.39 and 54,427.03

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Solution

The fourth proportional to 86,276.59, 119,043.39 and 54,427.03 is: 75,097.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,276.59 : 119,043.39 = 54,427.03 : x
  2. Step 2: Convert to fraction form
    86,276.59/119,043.39 = 54,427.03/x
  3. Step 3: Cross multiply
    86,276.59x = 119,043.39 × 54,427.03
  4. Step 4: Simplify right side
    86,276.59x = 6,479,178,158.83
  5. Step 5: Solve for x
    x = 6,479,178,158.83/86,276.59
  6. Step 6: Final answer
    x = 75,097.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.